查询词典 Primary

Objective To study the status of knowledge,belief and behavior on tobacco and health among staffs in primary and secondary schools and to provide evidence for effectively developing school-based smoking cassation activity.Methods The questionnaire surveywas carried out among the teachers from29primary and secondary schools in Beijing,Shanghai,Tianjin,Shenzhen,Puyang and Changsha.

目的 了解中小学教职工烟草与健康相关知识、信念及行现状，为有效开展学校控烟健康教育提供依据方法对北京、上海、天津、深圳、濮阳、长沙随机抽取的29所中小学教职工进行统问卷调查。

Manufacture and test of Cassegrain systems primary mirror with large relative diameter and lightweight.

大相对口径轻量化卡塞格林系统主镜的加工检验。

Manufacture and Test of Cassegrain System′s Primary Mirror with Large Relative Diameter and Lightweight.

大相对口径轻量化卡塞格林系统主镜的加工检验。

Objective: To establish a method for determining the content of primary chemical constituents in the leaves of Cassia angustifolia.

目的：建立番泻叶中主要化学成分的含量测定方法。

Objective: To establish a method for determining the content of primary chemical constituents in the leaves of Cassia angustifolia .

中文摘要：目的：建立番泻叶中主要化学成分的含量测定方法。

Waste residue in citric acid fermentation is primary organic solid castoff in fermentation industry, if it is not promptly subjected to certain disposition, it will result in contamination of water and atmosphere around.

柠檬酸发酵废渣是柠檬酸发酵工业中主要的有机固体废弃物，如果不对其进行有效的处理，任意弃置，则发酵废渣在自然界降解过程中就会对周围水体和大气造成严重的污染。

The primary goal of my working was to catch a simple and sensitive line, with which to represent a female body.

我作品的主要目的是通过简单感性的线条来展现女性的体形美。

Our results confirm that catechin actually could induce the increase of GST activity in primary culture cells.

结果证实了茶多酚在细胞实验中确实会诱导GST酵素活性的增加。

At different reaction times, some primary products (such as catechol, resorcinol, hydroquinone etc.) failed to be detected

在不同反应时间，某些初级产物(如邻苯二酚、间苯二酚、对苯二酚等)没有检测到，

Super Tuesday is a day when a large number of states hold primary elections or caucus meetings.

这一天之所以重要是因为许多州都在超级星期二举行初选或预备会议。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。